@@ -32,6 +32,7 @@ extern const char *perf_config_dirname(const char *, const char *);
extern void setup_pager(void);
extern int pager_in_use(void);
extern int pager_use_color;
+int pager_get_columns(void);
char *alias_lookup(const char *alias);
int split_cmdline(char *cmdline, const char ***argv);
@@ -1,6 +1,7 @@
#include "cache.h"
#include "run-command.h"
#include "sigchain.h"
+#include <sys/ioctl.h>
/*
* This is split up from the rest of git so that we can do
@@ -8,6 +9,7 @@
*/
static int spawned_pager;
+static int pager_columns;
static void pager_preexec(void)
{
@@ -47,9 +49,12 @@ static void wait_for_pager_signal(int signo)
void setup_pager(void)
{
const char *pager = getenv("PERF_PAGER");
+ struct winsize sz;
if (!isatty(1))
return;
+ if (ioctl(1, TIOCGWINSZ, &sz) == 0)
+ pager_columns = sz.ws_col;
if (!pager)
pager = getenv("PAGER");
if (!(pager || access("/usr/bin/pager", X_OK)))
@@ -93,3 +98,13 @@ int pager_in_use(void)
env = getenv("PERF_PAGER_IN_USE");
return env ? perf_config_bool("PERF_PAGER_IN_USE", env) : 0;
}
+
+int pager_get_columns(void)
+{
+ char *s;
+
+ s = getenv("COLUMNS");
+ if (s)
+ return atoi(s);
+ return (pager_columns ? pager_columns : 80) - 2;
+}
@@ -14,6 +14,7 @@
#include "cpumap.h"
#include "header.h"
#include "pmu-events/pmu-events.h"
+#include "cache.h"
struct perf_pmu_format {
char *name;
@@ -1038,7 +1039,7 @@ void print_pmu_events(const char *event_glob, bool name_only)
int len, j;
struct pair *aliases;
int numdesc = 0;
- int columns = 78;
+ int columns = pager_get_columns();
pmu = NULL;
len = 0;